A central role in production concepts à la Industry 4.0 will be played by collaborative or mobile robots, which could be seen in many places at this year's trade fair. For example at the Fanuc stand: the 'CR-35iA' is the first collaborative robot from the Japanese manufacturer. With a payload capacity of 35 kg, it counters the common belief that collaborative robots are the same as lightweight robots. However, the two-arm robot belongs to the latter category ...